How to read the signs
Toll signs show up to three toll rates for different toll zones. The road names listed on the sign tell you where each toll zone ends.

Every time you pass one of the listed roads, you enter the next toll zone. Any express toll lane exit in that zone will be charged the same toll rate until you pass the next listed road and enter a new zone.

You only pay the toll rate for the zone where you exit the express toll lanes. You do not add up all the numbers on the sign, and you are not charged again when you pass the next sign.

Carpool rules
Carpools can drive for free with a Flex Pass. The current rules are always shown at the bottom of every toll sign. Read more about who can drive for free.

What if there's a collision?
If a collision or roadwork blocks all lanes except the express toll lanes, we stop collecting tolls and allow all vehicles to use the lanes for free. Signs say “OPEN TO ALL” at these times.

If a collision is blocking the express toll lanes, nearby signs will say “CLOSED.” Signs far away from the collision may also say “HOV ONLY” for that toll zone, meaning that carpools can use the lanes for free until they get closer but we can’t sell any trips.

Where the money goes
Toll revenue funded the peak use shoulder lane between SR 527 and I-5 in Lynnwood to improve northbound congestion, which opened to the public in April 2017.

Since opening, the express toll lanes have generated $32.8 million in gross revenue. About two-thirds of this ($21.4 million) is being reinvested back into I-405 improvements. View the detailed financial statements.